Patient monitor



FIG. 1 is a perspective view of a patient monitor embodying our new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is top view thereof;

FIG. 4 is bottom view thereof;

FIG. 5 is a side view thereof;

FIG. 6 is another side view thereof;

FIG. 7 is a front view thereof; and,

FIG. 8 is a back view thereof.

The broken lines illustrate portions of the patient monitor that form no part of the claimed design. 

CLAIM The ornamental design for a patient monitor, as shown and described. 